Dimension observation device

Abstract

The utility model discloses a size observation device, which is used for measuring the thickness of a rope, and comprises a workbench, one side of the workbench is provided with a mounting seat and a fixed pulley, the other side of the workbench is provided with a bearing seat and a self-locking chuck, one end of the rope is fixed on the self-locking chuck, and the other end of the rope is hung on the fixed pulley and is provided with a counterweight; the magnifying lens assembly comprises a base and a magnifying lens, the base is placed on the workbench, and the magnifying lens is located above the measuring site of the rope; and the light source is arranged above the workbench. The rope thickness measuring device can fix and rotate a rope to find the maximum cross section of the rope, can fix a magnifying lens to measure multiple sites, can conveniently measure the thickness of the rope, and is simple in structure, convenient to assemble and manufacture and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of dimensional measurement technology. More specifically, this utility model relates to a dimensional observation device. Background Technology

[0002] In the toy industry, safety is always a paramount concern. Children, especially infants and toddlers, are a special group, and their lack of safety awareness can easily lead to frequent safety incidents. For example, sharp points on toys can injure a child's delicate hands. Inadequate gaps in toy bicycles can cause children's fingers to be pinched. Plastic parts that detach from toys can be swallowed by children under three years old. There are also mandatory toy safety standards that must be met, as well as 3C certification requirements. Therefore, ensuring that ropes included in toy products meet regulatory requirements and how to test the thickness of the ropes has become a challenge for testing laboratories and manufacturers.

[0003] For certain toys intended for children under 3 years old, ropes with too small a diameter / thickness can cause skin abrasions when pulled or retracted. Common measuring tools include magnifying glasses. Previously, measurements were taken by laying the rope flat on a work platform and using weights or clamps to secure both ends and prevent movement. However, measuring rope thickness requires rotating the rope to find its maximum cross-section; manual rotation causes displacement, making it difficult to pinpoint the exact measurement point. Furthermore, using a magnifying glass close to the rope and observing its thickness is problematic; hand movement can lead to inaccurate readings and difficulty focusing the magnifying glass on the measurement area. This observation device was designed to provide a fast, accurate, efficient, and convenient way to measure the thickness / diameter of ropes at multiple points without applying pressure. Summary of the Invention

[0004] This utility model provides a size observation device that can fix and rotate a rope to find the maximum cross-section of the rope. It can also fix a magnifying glass to measure multiple points, making it very convenient to measure the thickness of the rope. The structure is simple, easy to assemble and manufacture, and highly practical.

[0005] To achieve these objectives and other advantages according to the present invention, a size observation device is provided for measuring rope thickness, the device comprising:

[0006] The workbench has a mounting base and a fixed pulley on one side, and a bearing seat and a self-locking clamp on the other side. One end of the rope is fixed to the self-locking clamp, and the other end is hung on the fixed pulley and a counterweight is suspended from it.

[0007] A magnifying glass component, which includes a base and a magnifying glass. The base is placed on the workbench, and the magnifying glass is located above the measurement site of the rope.

[0008] A light source, which is arranged above the workbench.

[0009] Preferably, a pair of slide rails are provided on the workbench, and a sliding frame is provided on the pair of slide rails. The light source is arranged on the sliding frame.

[0010] Preferably, the light source is a light source supporting an optical microscope.

[0011] Preferably, the base includes:

[0012] A bottom plate;

[0013] A panel, which is installed on the bottom plate. The rope can pass through between the panel and the bottom plate, and a magnifying glass vision notch groove is reserved on the panel.

[0014] A mounting plate, which is arranged on the panel and above the magnifying glass vision notch groove. The mounting plate has a magnifying glass mounting site.

[0015] Preferably, the panel is inclined and forms an acute angle with the bottom plate.

[0016] Preferably, a displacement adjustment structure is provided on the mounting plate, which includes:

[0017] A positioning block, which is arranged on the panel. The positioning block has a threaded hole.

[0018] A positioning screw, which passes through the threaded hole. The mounting plate has a magnifying glass mounting site. The end of the positioning screw is connected to the mounting plate by a bearing, and the positioning screw pushes the mounting plate to move back and forth.

[0019] A pair of limiting blocks, which are arranged on the panel and on the left and right sides of the mounting plate.

[0020] The utility model has at least the following beneficial effects:

[0021] First, by setting a self-locking chuck and a fixed pulley on the workbench, the utility model realizes the fixation and in-situ rotation of the rope. By setting the base, the magnifying glass is positioned above the rope at a fixed point, the maximum cross-section of the rope is found, and the thickness of the rope is measured at multiple points. The structure is simple, convenient for assembly and manufacturing, and has strong practicability.

[0022] Secondly, the workbench has a horizontal mounting surface. The mounting base can be installed on one side edge of the workbench with bolts. The outer ring of the fixed pulley has a rope storage groove. The bearing seat can be installed on the other side of the workbench with bolts. The self-locking chuck is installed on the bearing seat. The storage groove of the fixed pulley and the axis of the self-locking chuck are on the same horizontal line at the same height. One end of the rope is fixed to the self-locking chuck, and the other end is hung in the storage groove of the fixed pulley and a counterweight, such as a 25 N weight, is suspended to make the rope horizontally tensioned. The base of the magnifying glass can be moved on the workbench. During measurement, the base is moved to the measurement point, the magnifying glass is placed above the measurement point, and with the light source on the workbench, the position and scale of the magnifying glass are adjusted, and the thickness of the rope can be measured very easily.

[0023] Third, the measurement has two requirements: firstly, multiple measurement points; secondly, because the largest cross-section needs to be found at the same measurement point, the measurement is performed while rotating. During measurement, the rope is first stretched, and the weights are hung. At the same measurement point, after testing one data point, the self-locking clamp's wheel is rotated, then the weights are manually lifted, and the left side of the rope is rotated to test the next data point. This ensures that even if the rope is rotated, the same measurement point is being measured. After measuring one measurement point, the support is moved to the next measurement point, and the above steps are repeated.

[0024] Fourth, a pair of slide rails and a sliding frame are installed on the workbench. The pair of slide rails provide symmetrical support for greater stability. The sliding frame can be assisted by rollers or ball bearings. The upper part of the sliding frame is preferably a lifting frame, allowing adjustment of both the position and height of the light source. The light source is preferably a light source compatible with an optical microscope. This allows it to be used not only to measure the thickness of ropes but also to connect to a computer to measure the dimensions of product markings. For example, by placing the product under the light source, the digital microscope can magnify the markings and display them on the computer. Then, using the software's built-in measurement tools, the dimensions of markings on various parts of the product can be easily measured with high accuracy, expanding the applicable objects and scope.

[0025] Fifth, the base plate serves as a load-bearing support, while the panel provides a certain height to facilitate rope passage. The mounting plate has a bracket for mounting a magnifying glass, with the bracket corresponding to the magnifying glass field of view notch on the panel. The magnifying glass field of view notch is preferably elongated, with width in the left-right direction and length in the front-back direction. By observing the rope below through the magnifying glass field of view notch, the thickness value can be read. The panel and base plate form an acute angle, allowing the operator to use the magnifying glass from the front of the workbench without bending over. The mounting plate features a displacement adjustment structure for adjusting the position of the magnifying glass in the front-back direction, thus adjusting its height and positioning it at a suitable measurement location. This also allows for adjustment of the light source position. A positioning block can be located on the rear edge of the panel, with its screw hole located on the central axis of a pair of limit blocks. The positioning screw is threaded into the screw hole; rotating the positioning screw moves it back and forth, pushing the mounting plate forward and backward, thereby adjusting the magnifying glass height. The pair of limit blocks provide left-right limiting, further ensuring linear movement of the positioning screw in the front-back direction.

[0026] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0027] Figure 1 This is a structural schematic diagram of one technical solution of this utility model. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0029] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0030] It should be noted that, unless otherwise specified, the experimental methods described in the following embodiments are conventional methods, and the reagents and materials described are commercially available. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "setting" should be interpreted broadly. For example, they can refer to fixed connection or setting, detachable connection or setting, or integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] like Figure 1 As shown, this utility model provides a size observation device for measuring the thickness of rope 6. The device includes:

[0032] The workbench 1 has a horizontal mounting surface. One side is provided with a mounting base 2 and a fixed pulley 3, and the other side is provided with a bearing seat 4 and a self-locking chuck 5. The mounting base 2 can be installed on one side edge of the workbench 1 by bolts. The outer ring of the fixed pulley 3 has a groove for storing rope 6. The bearing seat 4 can be installed on the other side of the workbench 1 by bolts. The self-locking chuck 5 is installed on the bearing seat 4. The groove for storing rope 3 and the axis of the self-locking chuck 5 are on the same horizontal line at the same height. One end of the rope 6 is fixed to the self-locking chuck 5, and the other end is hung on the fixed pulley 3 and a counterweight 7, such as a 25 N weight, is suspended to make the rope 6 horizontally tensioned.

[0033] The magnifying glass assembly 8 includes a base and a magnifying glass 8. The base is placed on the worktable 1. The base of the magnifying glass 8 can be moved on the worktable 1. During measurement, the base is moved to the measurement point. The magnifying glass 8 is located above the measurement point of the rope 6.

[0034] Light source 9 is positioned above the worktable 1.

[0035] In the above technical solution, by setting a self-locking clamp 5 and a fixed pulley 3 on the workbench 1, the rope 6 is fixed and rotated in place. By setting a base, the magnifying glass 8 is positioned above the rope 6 to find the maximum cross-section of the rope 6. With the help of the light source 9 on the workbench 1, the position and scale of the magnifying glass 8 can be adjusted to easily measure the thickness of the rope 6. The thickness of the rope 6 can be measured from multiple points. The structure is simple, easy to assemble and manufacture, and highly practical.

[0036] There are two requirements for measurement. One is multiple measurement sites, and the other is that for the same measurement site, since the largest cross-section needs to be found during measurement, it needs to be rotated while measuring. During measurement, first tension the rope 6 and hang the weights. For the same measurement site, after testing one data, first rotate the wheel of the self-locking chuck 5, then manually lift the weights, rotate the left rope 6, and then test the next data. In this way, even if the rope 6 is rotated, it can still ensure that the same measurement site is being measured. After measuring one measurement site, move the support to the next measurement site and repeat the above steps for measurement.

[0037] In another technical solution, a pair of slide rails 10 are provided on the workbench 1, and a sliding frame 11 is provided on the pair of slide rails 10. The light source 9 is arranged on the sliding frame 11. The pair of slide rails 10 and the sliding frame 11 are arranged on the workbench 1. The pair of slide rails 10 form a symmetric support, which is more stable. The sliding of the sliding frame 11 can adopt forms such as rollers and ball bearings. Preferably, the upper part of the sliding frame 11 is a lifting frame body, that is, the position of the light source 9 can be adjusted in the left-right direction and the height of the light source 9 can be adjusted in the up-down direction.

[0038] In another technical solution, the light source 9 is a light source 9 supporting the optical microscope 12. The light source 9 is preferably a light source 9 supporting the optical microscope 12. That is, it can not only be used to measure the thickness of the rope 6, but also be connected to a computer to measure the marked dimensions of the product. For example, when the product is placed below the light source 9, the digital microscope can magnify the mark and display it on the computer, and then using the measurement tools built in the software, it is very easy to measure the marked dimensions of each part of the product, with high accuracy, expanding the applicable objects and scope.

[0039] In another technical solution, the base includes:

[0040] A bottom plate 13;

[0041] A panel 14, which is installed on the bottom plate 13. The rope 6 can pass through the space between the panel 14 and the bottom plate 13, and a magnifying glass 8 visual field notch groove is reserved on the panel 14;

[0042] A mounting plate 15, which is arranged on the panel 14 and is located above the magnifying glass 8 visual field notch groove. The mounting plate 15 has a mounting site for the magnifying glass 8.

[0043] In the above technical solution, the base plate 13 is used to support the load and form a support part, the panel 14 is used to form a certain height so that the rope 6 can pass through, and the mounting plate 15 has a bracket for mounting the magnifying glass 8. The bracket of the mounting plate 15 corresponds to the magnifying glass 8 field of view notch of the panel 14. The magnifying glass 8 field of view notch is preferably long and narrow, with a width in the left and right direction and a length in the front and back direction. The rope 6 below can be observed through the magnifying glass 8 field of view notch, thereby realizing the reading of the thickness value.

[0044] In another technical solution, the panel 14 is inclined and forms an acute angle with the base plate 13. The acute angle between the panel 14 and the base plate 13 makes it easier for the operator to use the magnifying glass 8 from the front of the workbench 1 without having to bend over.

[0045] In another technical solution, the mounting plate 15 is provided with a displacement adjustment structure, which includes:

[0046] A positioning block 16 is disposed on the panel 14, and may be disposed on the rear edge of the panel 14. The positioning block 16 has a screw hole and is located on the central axis of a pair of limiting blocks 18.

[0047] A positioning screw 17 passes through the screw hole and is threadedly connected to the screw hole. The mounting plate 15 has a mounting point for the magnifying glass 8. The end of the positioning screw 17 is connected to the mounting plate 15 by a bearing. Rotating the positioning screw 17 causes it to move back and forth, which in turn pushes the mounting plate 15 to move back and forth, thereby adjusting the height of the magnifying glass 8.

[0048] A pair of limiting blocks 18 are disposed on the panel 14 and located on the left and right sides of the mounting plate 15. The pair of limiting blocks 18 limit the movement of the positioning screw 17 in the left and right directions, further ensuring that the positioning screw 17 moves linearly in the front and back directions.

[0049] In the above technical solution, a displacement adjustment structure is provided on the mounting plate 15 to facilitate the adjustment of the position of the magnifying glass 8 in the front and back directions, thereby adjusting the height so that the magnifying glass 8 is in a reasonable measuring position. At the same time, the position of the light source 9 is adjusted for coordinated use.

[0050] The number of devices and processing scale described herein are for the purpose of simplifying the description of this utility model. Applications, modifications, and variations of this utility model will be readily apparent to those skilled in the art.

[0051] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A size observation device, characterized in that, The device for measuring rope thickness includes: The workbench has a mounting base and a fixed pulley on one side, and a bearing seat and a self-locking clamp on the other side. One end of the rope is fixed to the self-locking clamp, and the other end is hung on the fixed pulley and a counterweight is suspended from it. A magnifying glass assembly, comprising a base and a magnifying glass, wherein the base is placed on the worktable and the magnifying glass is positioned above the measurement point of the rope; A light source is positioned above the worktable.

2. The size observation device as described in claim 1, characterized in that, The workbench is provided with a pair of slide rails, and a sliding frame is provided on the pair of slide rails. The light source is located on the sliding frame.

3. The size observation device as described in claim 2, characterized in that, The light source is a light source that is compatible with an optical microscope.

4. The size observation device as described in claim 1, characterized in that, The base includes: Base plate; A panel is mounted on the base plate, and a rope can pass through the panel and the base plate. The panel has a notch for magnifying glass field of view. A mounting plate is disposed on the panel and located above the magnifying glass field of view notch, the mounting plate having a magnifying glass mounting position.

5. The size observation device as described in claim 4, characterized in that, The panel is tilted and forms an acute angle with the base plate.

6. The size observation device as described in claim 4 or 5, characterized in that, The mounting plate is provided with a displacement adjustment structure, which includes: A positioning block is disposed on the panel, and the positioning block has a screw hole; A positioning screw passes through the screw hole, the mounting plate has a magnifying glass mounting point, the end of the positioning screw is connected to the bearing of the mounting plate, and the positioning screw pushes the mounting plate to move back and forth; A pair of limiting blocks are disposed on the panel and located on the left and right sides of the mounting plate.

Images